STK411-210E is a 2-channel audio power amplifier Thick Film Hybrid IC manufactured by Sanyo. It is part of the STK411 series, commonly used in high-fidelity (Hi-Fi) stereo systems and consumer electronics for audio amplification. Key Specifications & Features
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit | | :--- | :---: | :--- | :---: | :---: | :---: | :---: | | Quiescent Current | Icco | Vin = 0V | - | 50 | 100 | mA | | Output Power | PO | THD = 0.5% | 35 | 40 | - | W | | Total Harmonic Distortion | THD | PO = 1W | - | 0.02 | 0.1 | % | | Voltage Gain | GV | Vin = 0dB | 28 | 30 | 32 | dB | | Input Impedance | Ri | - | - | 55 | - | kΩ | | Output Noise Voltage | Vno | Rg = 10kΩ | - | 0.25 | 0.7 | mV | | Frequency Response | BW | -3dB points | 20 | - | 20k | Hz | | Ripple Rejection Ratio | RRR | f = 100Hz | 45 | 55 | - | dB | stk411210e datasheet
Unlike discrete transistor amplifiers, the STK411210E offers a compact, self-contained solution that includes the output stage, driver stage, and even some biasing components on a single multi-pin substrate. For repair technicians and DIY audio enthusiasts, locating and interpreting the is essential for troubleshooting, replacement, and designing PCBs. STK411-210E is a 2-channel audio power amplifier Thick